, from president obama, and now from n nato. what do we make of this and also the fact that russia has been helpful according to the white house, very helpful, be in trying to persuade syria that this is a red line syria should not cross? >> the noose is tightening. the russians understand the arc on assad is moving south quickly. the turks have finally requested at least defensive patriot batteries, probably patriot batteries designed to deal with missiles rather than aircraft. should they be anti-aircraft patriots you could see an offensive capacity and capability. the rebels in syria are gaining force, maybe a little more coherens to their opposition and against the backdrop of all of this you have another -- yet another report of the prospects of agents being mixed with respect to chemical weapons capacity. i think this is the red line. it's a nightmarish scenario because it would force some sort of military intervention should these chemical weapons and their deployed either artillery shells or cones, the syrians have hundr